This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 30 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Any device used for making work easier is called..... A) Machine. B) Pulley. C) Wheel. D) Truck. E) Engine. Show Answer Correct Answer: A) Machine. 2. Night and day are caused by A) The moon rotating around the sun. B) Earth spinning on its axis. C) Earth revolving around the sun. D) Earth's distance, 92, 000, 000 miles from the sun. Show Answer Correct Answer: B) Earth spinning on its axis. 3. Chemical X has a mass of 5 grams, and chemical Y has a mass of 10 grams. If the two chemicals are mixed and a complete chemical reaction takes place, what is most likely the mass of the product? A) 5 grams. B) 10 grams. C) 15 grams. D) 50 grams. Show Answer Correct Answer: C) 15 grams. 4. When heat energy is lost it cannot be used to produce: A) Work. B) Velocity. C) Natural gas. D) None of above. Show Answer Correct Answer: A) Work. 5. What is the boiling point of water in degrees Celsius? A) 100. B) 75. C) 120. D) 90. Show Answer Correct Answer: A) 100. 6. 2nd largest; ring system (ice & rock)10h 2m period of rotation A) Saturn. B) Mars. C) Uranus. D) Pluto. Show Answer Correct Answer: A) Saturn. 7. What kind of energy do plants get from the Sun? A) Solar. B) Electrical. C) Mechanical. D) Sound NGSS.MS-LS1-6. Show Answer Correct Answer: A) Solar. 8. To control the reaction in a nuclear fission reactor, the neutrons are slowed by..... A) Uranium. B) Heat exchanger. C) Water. D) Control rods. Show Answer Correct Answer: D) Control rods. 9. What is the process by which plants make their own food called? A) Transpiration. B) Fermentation. C) Respiration. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 10. Which animal breathes through its skin? A) Fish. B) Elephant. C) Frog. D) Crocodile. Show Answer Correct Answer: C) Frog. 11. Contains larger particles that eventaully settle out. Particles have to be re-suspended. A) Suspension. B) Colloid. C) Homogenous Mixture. D) Heterogenous Mixture. Show Answer Correct Answer: A) Suspension. 12. Force multiplied by distance equals A) Newtons. B) Work. C) Force. D) None of above. Show Answer Correct Answer: B) Work. 13. Safety A) The most important thing to think of in a science classroom. B) The most important thing to think of when interacting with other people. C) Tramples trees to allow sunlight to get to lower plants, feeds soil with manure. D) None of above. Show Answer Correct Answer: A) The most important thing to think of in a science classroom. 14. Complex living things, like plants and animals, are made up of A) Many cells. B) One cell. C) Three tissues. D) Four organ systems. Show Answer Correct Answer: A) Many cells. 15. What is the correct SI unit for mass? A) Kilograms. B) Newtons. C) Pounds. D) Grams. Show Answer Correct Answer: A) Kilograms. 16. Carbohydrates are made up of which monomers (smallest units)? A) Amino acids. B) Nucleotides. C) Simple sugars (glucose). D) Fatty acids. Show Answer Correct Answer: C) Simple sugars (glucose). 17. Can sand pass through filter paper? A) Yes. B) No. Show Answer Correct Answer: B) No. 18. Energy is the ability to: A) Do work. B) Transfer heat. Show Answer Correct Answer: A) Do work. 19. ..... can be used as medicines and to add flavour to food. A) Trees. B) Shrubs. C) Creepers. D) Herbs. Show Answer Correct Answer: D) Herbs. 20. Radioactive by-product that results when radioactive materials are used A) Fusion. B) Fission. C) Nuclear reactor. D) Nuclear waste. Show Answer Correct Answer: D) Nuclear waste. ← PreviousNext →Related QuizzesGeneral Science Quiz 1General Science Quiz 2General Science Quiz 3General Science Quiz 4General Science Quiz 5General Science Quiz 6General Science Quiz 7General Science Quiz 8General Science Quiz 9General Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books